Jonathan Holt Books

The Abomination

By Jonathan Holt

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The Abduction

By Jonathan Holt

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The traitor

By Jonathan Holt

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He died in the darkness, surrounded by friends. They found him at sunrise, on Venice's most popular beach. His throat had been cut, his tongue removed. Captain Kat Tapo suspects a ritual murder wit...

The abduction

By Jonathan Holt

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The abduction

By Jonathan Holt

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The traitor

By Jonathan Holt

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Follies Discover Dorset

By Jonathan Holt

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Abomination

By Dominique Haas, Jonathan Holt

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Incarceration 2

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Carnivia. Rozgrzeszenie

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.